Schedule I - Condensed Financial Information of The Cigna Group - Statements of Cash Flows (Details) - USD ($) $ in Millions											12 Months Ended
		Dec. 21, 2022	Sep. 22, 2022	Jun. 23, 2022	Mar. 24, 2022	Dec. 22, 2021	Sep. 23, 2021	Jun. 23, 2021	Mar. 25, 2021	Apr. 09, 2020	Dec. 31, 2022	Dec. 31, 2021		Dec. 31, 2020
Cash Flows from Operating Activities
Shareholders' net income											$ 6,668	$ 5,365		$ 8,458
Adjustments to reconcile shareholders' net income to net cash provided by (used in) operating activities:
Debt extinguishment costs											0	141		199
Other liabilities											1,574	(77)		1,346
Other, net											325	333		597
NET CASH PROVIDED BY OPERATING ACTIVITIES											8,656	7,191		10,350
Cash Flows from Investing Activities
Net proceeds from short-term investments sold (purchased)											(1,563)	(2,554)		(1,924)
NET CASH PROVIDED BY (USED IN) INVESTING ACTIVITIES											3,098	(3,611)		2,976
Cash Flows from Financing Activities
Payments for debt extinguishment											0	(136)		(212)
Repayment of long-term debt											(500)	(4,578)		(8,047)
Net proceeds on issuance of long-term debt											0	4,260		3,465
Issuance of common stock											389	326		376
Common dividends paid		$ (334)	$ (341)	$ (352)	$ (357)	$ (324)	$ (330)	$ (342)	$ (345)	$ (15)	(1,384)	(1,341)		(15)
Repurchase of common stock											(7,607)	(7,742)		(4,042)
Other, net											(23)	39		(160)
NET CASH USED IN FINANCING ACTIVITIES											(11,240)	(8,212)		(8,533)
Net increase (decrease) in cash, cash equivalents and restricted cash											428	(4,697)		4,834
Cash, cash equivalents and restricted cash and cash equivalents January 1,	[1]										5,123	10,245	[2]
Cash, cash equivalents and restricted cash, end of year (1)	[1]										5,976	5,123		10,245	[2]
The Cigna Group
Cash Flows from Operating Activities
Shareholders' net income											6,668	5,365		8,458
Adjustments to reconcile shareholders' net income to net cash provided by (used in) operating activities:
Equity in income of subsidiaries											(7,366)	(6,063)		(9,295)
Debt extinguishment costs											0	131		171
Dividends received from subsidiaries											2,085	2,751		8,627
Other liabilities											5	184		112
Other, net											269	414		500
NET CASH PROVIDED BY OPERATING ACTIVITIES											1,661	2,782		8,573
Cash Flows from Investing Activities
Net change in loans due from affiliates											(901)	(1,007)		(265)
Net proceeds from short-term investments sold (purchased)											99	(50)		(19)
NET CASH PROVIDED BY (USED IN) INVESTING ACTIVITIES											(802)	(1,057)		(284)
Cash Flows from Financing Activities
Net change in amounts due to affiliates											10,392	2,062		2,262
Net change in short-term debt											(2,027)	997		86
Payments for debt extinguishment											0	(126)		(181)
Repayment of long-term debt											(430)	(4,199)		(5,996)
Net proceeds on issuance of long-term debt											0	4,260		3,465
Issuance of common stock											389	326		376
Common dividends paid											(1,384)	(1,341)		(15)
Repurchase of common stock											(7,607)	(7,742)		(4,042)
Tax withholding on stock compensation and other											(73)	(86)		(87)
NET CASH USED IN FINANCING ACTIVITIES											(740)	(5,849)		(4,132)
Net increase (decrease) in cash, cash equivalents and restricted cash											119	(4,124)		4,157
Cash, cash equivalents and restricted cash and cash equivalents January 1,											33	4,157		0
Cash, cash equivalents and restricted cash, end of year (1)											$ 152	$ 33		$ 4,157

[1] Restricted cash and cash equivalents were reported in other long-term investments.

[2] Includes $425 million reported in Assets of businesses held for sale as of January 1, 2022.